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10 Aug-13:36:06 Re: new administrator - peter farquhar (Don Lum)
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10 Aug-12:08:59 Re: calcite ? (Dany Mabillard)
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10 Aug-11:15:56 Re: don lum collection (Don Lum)
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10 Aug-08:06:36 Re: collection from dany mabillard (Tobi)
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10 Aug-01:45:42 Re: about cyclic twinning - (5) (James Catmur)
10 Aug-00:30:55 Re: calcite ? (Steveb)
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09 Aug-22:29:05 Re: about cyclic twinning - (5) (Kevin Conroy)
09 Aug-15:30:13 Re: about cyclic twinning - (5) (Don Lum)
09 Aug-14:38:08 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
09 Aug-14:28:35 Re: about cyclic twinning - (5) (Kevin Conroy)
09 Aug-12:02:30 Re: about cyclic twinning - (5) (Bob Morgan)
09 Aug-11:36:21 Re: calcite ? (Michael Shaw)
09 Aug-11:27:41 Re: calcite ? (Vic Rzonca)
09 Aug-11:10:11 Re: help needed for chinese locations (Dany Mabillard)
09 Aug-09:47:12 Re: help needed for chinese locations (Volkmar Stingl)
09 Aug-09:33:00 Calcite ? (Dany Mabillard)
09 Aug-07:45:29 Re: help needed for chinese locations (Dany Mabillard)
08 Aug-23:25:53 Re: don lum collection (Don Lum)

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  Topic: Bubbly Looking Rock
Planko

Replies: 1
Views: 333

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Jul 21, 2020 18:19   Subject: Bubbly Looking Rock
Hello everyone. I am not the finder of this rock. It is on another forum an they have not provided information to the question of what it might be. I am posting here to see if all of you can help. I w ...
  Topic: Pyrite?
Planko

Replies: 11
Views: 1205

PostForum: What is it? - Where is it from?   Posted: Jun 26, 2020 11:24   Subject: Re: Pyrite?
Clean them ONLY by brushing gently with a dry brush. They are formed from mineral salts of FeS so liquids can dissolve them again destroying the delicate structure. I would admonish you and anyone for ...
  Topic: Pyrite?
Planko

Replies: 11
Views: 1205

PostForum: What is it? - Where is it from?   Posted: Jun 25, 2020 18:40   Subject: Re: Pyrite?
OK, I will not try to clean them. I do want to try and get some with the other colors mixed in without breaking. Then layer or model glue work. Do I need to dilute it with acetone like my fossils or d ...
  Topic: Pyrite?
Planko

Replies: 11
Views: 1205

PostForum: What is it? - Where is it from?   Posted: Jun 25, 2020 13:00   Subject: Re: Pyrite?
Thanks for the information. I guess I need to go get more and clean them up. They look so much better in the link.
  Topic: Pyrite?
Planko

Replies: 11
Views: 1205

PostForum: What is it? - Where is it from?   Posted: Jun 24, 2020 17:54   Subject: Pyrite?
Hello, I found this at the North Sulfur River in Texas. It was around three weeks ago There was a thin shelf of these formations under a layer of old sediment. I tried several pieces but most were ver ...
 
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